Across
- 4. planet that is Earth's twin in size
- 7. describes the planets that have rocky surfaces
- 9. only planet that rotates on its side
- 11. the model that the sun is in the middle
- 14. largest planet with colored clouds caused by storms
- 15. planet known for its rings
Down
- 1. the model that the earth is in the middle
- 2. describes the outer planets
- 3. plants "move" around the sun
- 5. planets "spin" on their axis
- 6. the red planet
- 8. only planet that has life
- 10. smallest planet that is heavily cratered
- 12. planet that looks blue and is the coldest
- 13. a synonym of revolution